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WIO Coral Bleaching Manual-IOC2016-ENG

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Which level of monitoring is best for you?<br />

Three levels of monitoring are described, which will provide different levels of information, to suit different levels of need.<br />

Level Description Questions addressed<br />

Basic<br />

The most basic level, requires minimal<br />

equipment, preparation, time and expertise.<br />

Ideal for programmes based purely on volunteer<br />

effort and on resource users/staff with minimal<br />

time to spare, or those new to monitoring coral<br />

bleaching.<br />

• What is the overall level of bleaching and mortality<br />

experienced in my area?<br />

• Which reefs/sites have been most impacted by<br />

bleaching in my area?<br />

Intermediate<br />

This level provides a quantitative estimate of<br />

bleaching and mortality affecting different coral<br />

genera, based on prevalence (proportion of<br />

colonies affected).<br />

• The above, plus ….<br />

• What is the degree of bleaching and mortality<br />

experienced by coral genera and sites in my area?<br />

• How were different coral genera affected by the<br />

bleaching event, by number of colonies?<br />

High<br />

This level provides a quantitative estimate of<br />

bleaching and mortality in relation to the density<br />

of colonies and biomass (area) and age/sizeclasses<br />

of coral genera.<br />

• The above, plus ….<br />

• What were the density- or area-dependent impacts<br />

of the bleaching event?<br />

• How were different size/age classes of coral<br />

genera affected by the bleaching event.<br />

• How might the reproductive output of the coral<br />

community be affected by the bleaching event?<br />

7

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